From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Checking values returned by window-scroll-bars
Date: Mon, 13 May 2024 08:08:48 +0300 [thread overview]
Message-ID: <86zfsuxpr3.fsf@gnu.org> (raw)
In-Reply-To: <J1VF2kAokSlmCRUX-NVzmsY-KdmZtGOJQZgXel5gb5Y30d1f53HhJfm0MM9hemw3J2PkLM9o2Vb8MuDMfrEqbapfcjxNWLp7ihc6TNmWP4k=@protonmail.com> (message from Heime on Sun, 12 May 2024 22:44:10 +0000)
> Date: Sun, 12 May 2024 22:44:10 +0000
> From: Heime <heimeborgia@protonmail.com>
>
> I want to indicate whether a WINDOW uses the frame's corresponding value.
> It is not as simple as just checking (window-scroll-bars). How can I do
> it ?
>
> (defun window-scroll-bar-info ()
>
> ;; Value is a list of the form (WIDTH COLUMNS VERTICAL-TYPE
> ;; HEIGHT LINES HORIZONTAL-TYPE PERSISTENT)
>
> ;; If WIDTH or HEIGHT is nil, or alternatively, when VERTICAL-TYPE
> ;; or HORIZONTAL-TYPE is t, the WINDOW uses the frame's
> ;; corresponding value."
>
> (interactive)
>
> (if (window-scroll-bars)
> (message "This window has its own scroll bars enabled.")
> (message "No custom scroll bars are enabled for this window."))
The results for the vertical scroll bar and the horizontal scroll bar
could be different, so it is not one result but two.
To extract members from a list, you can use the function 'nth', which
returns the Nth (zero-based) member of a list. See its doc string and
documentation in the ELisp manual for more details.
prev parent reply other threads:[~2024-05-13 5:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-12 22:44 Checking values returned by window-scroll-bars Heime
2024-05-13 5:08 ` Eli Zaretskii [this message]
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